Input Signal; Keylock Feature - SMC Networks ITV2000 Easy Programming Manual

I S
NPUT IGNAL
• C
S
URRENT
• V
S
OLTAGE
K F
EYLOCK EATURE
locked
The ITV has a key lock feature, allowing the user to disable the setting keys. This
is helpful in preventing unauthorized setting changes. By default, the keys are locked
when power is turned on. The keys must be unlocked to modify the setting information.
The display will show L
T U :
O NLOCK
¬
Press and hold the down key for 2 seconds or longer. The display will blink L
­
Press the set key to unlock the keys, or
®
Press the up key to cancel.
T L :
O OCK
¬
Press and hold the up key for 2 seconds or longer. The display will blink U
­
Press the set key to lock the keys, or
®
Press the down key to cancel.
Microprocessor-Controlled Electro-Pneumatic Regulator
E A S Y P R O G R A M M I N G G U I D E
T
IGNAL YPES (ITV20
Supply Voltage VS
24VDC (ITV20 0)
12VDC (ITV20 1)
T
IGNAL YPES (ITV20
Supply Voltage VS
24VDC (ITV20 0)
12VDC (ITV20 1)
if a key is pressed while the keys are locked.
OC
-0 , ITV20 -1 )
Input Signal A
4~20mA (ITV20
0~20mA (ITV20
-2 , ITV20 -3 )
Input Signal V
0~5VDC (ITV20
0~10VDC (ITV20
unlocked
last updated 11/03/03 10:05 AM
ITV2000
-0 )
-1 )
IN
-2 )
-3 )
.
OC
.
NL
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